One Pot Chicken and Shrimp Gumbo

Name: One Pot Chicken and Shrimp Gumbo
Ingredients: 3 tablespoons vegetable oil; 1/3 cup all-purpose flour; 2 red bell peppers (ribs and seeds removed, chopped); 1 medium onion (finely chopped); 2 cloves garlic (minced); 1 teaspoon dried oregano; 1 tablespoon of tomato paste; 4 cups chicken broth; 1 tablespoon hot sauce (optional); Coarse salt and ground pepper; 1 10 ounce package of frozen sliced okra; 8 ounces smoked pre-cooked sausage such as andouille or kielbasa (cut into 1/2 inch thick slices); 4 cups of shredded chicken; 1/2 pound of large shrimp